Box beam level



FIG. 1 is an isometric view of a box beam level incorporating our new design, The article is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.

FIG. 2 is a first side elevation view thereof;

FIG. 3 is a second, opposite side elevation view thereof;

FIG. 4 is a first end elevation view thereof;

FIG. 5 is a second, opposite end elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design of a box beam level, as shown and described. 